6513342769 has 4 divisors (see below), whose sum is σ = 6515337280. Its totient is φ = 6511348260.

The previous prime is 6513342749. The next prime is 6513342809. The reversal of 6513342769 is 9672433156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6513342769 - 2¹⁷ = 6513211697 is a prime.

It is a super-2 number, since 2×6513342769² = 84847268052969174722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6513342749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992349 + ... + 998890.

It is an arithmetic number, because the mean of its divisors is an integer number (1628834320).

Almost surely, 2^6513342769 is an apocalyptic number.

It is an amenable number.

6513342769 is a deficient number, since it is larger than the sum of its proper divisors (1994511).

6513342769 is a wasteful number, since it uses less digits than its factorization.

6513342769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994510.

The product of its digits is 816480, while the sum is 46.

The square root of 6513342769 is about 80705.2834020177. The cubic root of 6513342769 is about 1867.5316808751.

The spelling of 6513342769 in words is "six billion, five hundred thirteen million, three hundred forty-two thousand, seven hundred sixty-nine".